Qei-44 class ii, Performance data, Qei-44ii – Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L User Manual
Page 45: Specification data
45
Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not
include the effects of appurtenances (accessories).
The sound power level ratings shown are in decibels, referred to 10
-12
watts, calculated per AMCA Standard 301. Values shown are for inlet L
Wi
, L
Wi
A and outlet L
Wo
,
L
Wo
A sound power levels for installation type B: Free inlet, Ducted outlet. Ratings for inlet sound do not include the effects of duct end correction. Ratings for outlet
sound include the effects of duct end correction. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. The AMCA Certified
Ratings Seal applies to L
Wi
A and L
Wo
A values only.
Performance Data
Shaded values show where Class I fan selections are more efficient than Class II.
QEI-44 Class II
CFM
OV
STATIC PRESSURE (inches wg)
0.5
1
2
3
4
5
6
7
8
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
22000
1074
434
3.02
487
4.95
585
9.67
681
15.2
770
21.2
24500
1196
472
3.71
519
5.75
609
10.7
698
16.5
782
22.8
861
29.6
27000
1319
512
4.52
554
6.70
637
11.8
717
17.8
795
24.5
873
31.6
944
39.0
29500
1441
552
5.46
590
7.78
668
13.1
741
19.3
815
26.2
885
33.7
956
41.4
1021
49.6
32000
1563
592
6.55
626
9.00
700
14.5
769
20.9
835
28.0
903
35.8
968
44.0
1033
52.4
1094
61.1
34500
1685
633
7.80
665
10.4
732
16.2
798
22.8
860
30.1
923
38.0
985
46.5
1045
55.3
1106
64.4
37000
1807
675
9.21
705
12.0
767
18.0
829
24.8
888
32.3
945
40.4
1005
49.1
1062
58.2
1118
67.7
39500
1929
716
10.8
745
13.7
803
20.0
861
27.0
917
34.7
972
43.0
1025
51.8
1082
61.3
42000
2051
758
12.6
785
15.7
839
22.3
894
29.4
949
37.4
1000
45.8
1051
54.9
1102
64.4
44500
2173
800
14.6
825
17.8
875
24.7
928
32.2
980
40.2
1029
48.9
1079
58.2
1126
67.9
47000
2296
842
16.8
866
20.2
913
27.4
963
35.1
1012
43.3
1061
52.3
1107
61.7
49500
2418
885
19.2
907
22.8
952
30.3
999
38.3
1046
46.7
1093
55.8
Inlet Sound Power, L
Wi
[dB ref 10
-12
watts]
Outlet Sound Power, L
Wo
[dB ref 10
-12
watts]
RPM
% WOV
1
2
3
4
5
6
7
8
L
Wi
A
RPM
% WOV
1
2
3
4
5
6
7
8
L
Wo
A
325
100
82
74
70
71
69
58
49
43
73
325
100
85
77
75
75
71
61
53
46
76
80
79
71
68
68
64
55
46
38
69
80
84
76
73
74
69
59
51
43
74
60
77
69
66
67
64
55
46
38
68
60
83
75
71
73
68
58
51
44
73
50
75
68
65
67
63
54
46
39
67
50
83
75
70
72
68
58
51
44
73
450
100
89
83
79
78
78
73
60
53
82
450
100
87
84
82
81
79
73
62
54
83
80
85
80
75
75
72
64
56
49
77
80
86
83
81
80
75
67
59
51
81
60
82
77
73
74
72
64
56
50
75
60
86
81
78
79
74
66
59
52
79
50
82
77
72
73
71
62
55
50
75
50
86
82
77
77
73
65
59
52
78
650
100
88
93
88
86
86
85
73
65
91
650
100
90
92
92
91
87
85
75
66
93
80
85
91
85
84
81
75
68
61
86
80
87
90
89
89
83
78
70
61
89
60
83
87
81
81
79
74
68
62
83
60
86
87
86
86
81
76
69
62
86
50
86
88
81
80
78
73
67
63
83
50
89
89
86
85
80
74
68
63
86
900
100
91
98
99
95
92
94
88
72
99
900
100
93
96
100
99
95
94
89
75
101
80
87
95
96
92
88
84
78
70
94
80
90
93
98
97
92
88
81
72
98
60
86
91
92
89
86
82
77
71
91
60
92
91
94
94
89
85
79
73
95
50
88
90
91
88
85
82
77
72
91
50
94
93
95
94
89
84
79
74
95
1129
100
95
99
104 102
98
97
97
82
105
1129
100
98
101 105 105 100
99
98
84
107
80
90
95
100
99
95
91
87
78
100
80
95
97
103 104
98
94
88
80
104
60
91
92
96
95
92
88
84
78
97
60
98
98
99
100
95
91
86
79
101
50
94
94
96
95
91
88
84
80
97
50
99
100 101 100
94
90
85
80
101
Static Pr
essur
e (in. wg)
Static Pr
essur
e (Pa x 100)
Volume (cfm x 1000)
3
Volume (m /hr x 1000)
0
20
40
60
80
100
0
5
10
15
20
DO
N
OT
S
EL
EC
T
TO
T
H
E
LE
FT
O
F
TH
IS
S
Y
S
TE
M
C
U
R
VE
0
5
10
15
20
25
30
35
40
45
50
55
60
65
0
1
2
3
4
5
6
7
8
9
10
QEI-44II
RPM
BHP
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
468
590
743
850
60% WOV
70% WOV
80% WOV
90% WOV
1071
5
10
20
30
936
1129
40
60
75
Performance Data
Maximum Fan RPM
1129
Specification Data
Maximum Motor
Frame Size
365T
Minimum Motor
Starting hp
10 hp
7.5 kW
Wheel Diameter
54.25 in.
1378 mm
Approximate Weight
(Less Motor & Drives)
2300 lbs.
1043 kg.
Maximum Bhp = (Fan RPM / 274)
3
Outlet Velocity (FPM) = CFM / 20.49
Tip Speed (FPM) = Fan RPM x 14.2
% WOV = (CFM x 100) / (Fan RPM x 57.5)
Imperial data —
Metric data